Arduino uno-schematic reference design

1
ATMEGA8 ICSP +5V GND +5V +5V GND GND GND +5V GND 100n GND 47u 47u GND GND GND GND GREEN GND +5V YELLOW YELLOW M7 GND MC33269D-5.0 MC33269ST-5.0T3 100n GND 500mA +5V +5V 100n GND YELLOW GND FDN304V +5V LM358D LM358D GND GND +5V 100n +5V ATMEGA8U2-MU GND 100n ICSP +5V GND GND 16MHz 16MHz GND PGB1010604 PGB1010604 BLM21 1M 1K 1K 1K 1K GND 10K 10K 10K 10K 100n 1u 1K 1K 1K 1K 22R 22R 22R 22R 1u 1M 16MHz 16MHz TS42 22p 22p 22p 22p GND GND GND 27R (ADC5)PC5 28 (ADC4)PC4 27 (ADC3)PC3 26 (ADC2)PC2 25 (ADC1)PC1 24 (ADC0)PC0) 23 (SCK)PB5 19 (MISO)PB4 18 (MOSI)PB3 17 (SS)PB2 16 (OC1)PB1 15 (ICP)PB0 14 (AIN1)PD7 13 (AIN0)PD6 12 (T1)PD5 11 (T0)PD4 6 (INT1)PD3 5 (INT0)PD2 4 (TXD)PD1 3 (RXD)PD0 2 GND 8 VCC 7 AVCC 20 AREF 21 XTAL1 9 XTAL2 10 RESET 1 AGND 22 ZIC1 1 2 3 4 5 6 ICSP 1 2 3 4 5 6 7 8 IOL 1 2 3 4 5 6 7 8 IOH 1 2 3 4 5 6 AD C2 PC1 PC2 ON RX TX D1 1 1 2 2 3 3 1 2 3 4 P$1 P$1 P$2 P$2 X2 VI 3 1 VO 2 IC2 ADJ 1 IN 3 OUT 4 2 IC1 1 2 3 4 5 6 POWER C4 F1 C7 L T1 2 3 1 U1A 6 5 7 U1B 8 4 C1 (PCINT9/OC1B)PC5 25 (PCINT10)PC4 26 (INT4/ICP1/CLK0)PC7 22 (OC1A/PCINT8)PC6 23 (AIN2/PCINT11)PC2 5 (PCINT5)PB5 19 (T1/PCINT4)PB4 18 (PD0/MISO/PCINT3)PB3 17 (PDI/MOSI/PCINT2)PB2 16 (SCLK/PCINT1)PB1 15 (SS/PCINT0)PB0 14 (CTS/HWB/AIN6/TO/INT7)PD7 13 (RTS/AIN5/INT6)PD6 12 (XCK/AIN4/PCINT12)PD5 11 (INT5/AIN3)PD4 10 (TXD1/INT3)PD3 9 (RXD1/AIN1/INT2)PD2 8 (AIN0/INT1)PD1 7 (OC0B/INT0)PD0 6 GND 3 VCC 4 AVCC 32 UVCC 31 XTAL1 1 XTAL2(PC0) 2 RESET(PC1/DW) 24 UGND 28 U3 PAD EXP UCAP 27 D- 30 D+ 29 (PCINT6)PB6 20 (PCINT7/OC0A/OC1C)PB7 21 C5 1 2 3 4 5 6 ICSP1 Y2 Y1 2 1 UBOOT Z1 Z2 2 1 GROUND L1 2 1 RESET-EN R2 1 8 RN2A 2 7 RN2B 3 6 RN2C 4 5 RN2D 1 8 RN1A 2 7 RN1B 3 6 RN1C 4 5 RN1D C6 C8 1 8 RN4A 2 7 RN4B 3 6 RN4C 4 5 RN4D 1 8 RN3A 2 7 RN3B 3 6 RN3C 4 5 RN3D C3 R1 2 1 Q1 2 1 Q2 1 3 4 2 RESET 5 C10 C12 C9 C11 IN 1 EN 3 NC/FB 4 OUT 5 GND 2 R3 +5V +5V GND AREF AREF RESET RESET VIN VIN VIN M8RXD M8RXD M8TXD M8TXD SCK PWRIN D- D+ +3V3 +3V3 +3V3 MISO MOSI SS SS DTR GATE_CMD CMP USBVCC USBVCC USBVCC XTAL2 XTAL2 XTAL1 XTAL1 VUCAP RD- RD- RD+ RD+ RESET2 MISO2 MOSI2 SCK2 USHIELD UGND UGND XUSB XT2 XT2 XT1 XT1 RXLED TXLED AD0 AD1 AD2 AD3 AD4 AD5 IO2 IO1 IO0 IO3 IO4 IO5 IO6 IO7 IO8 IO9 XT1R + + USB 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Arduino UNO Reference Design USB boot En TM Reference Designs ARE PROVIDED "AS IS" AND "WITH ALL FAULTS". Arduino DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, Arduino may make changes to specifications and product descriptions at any time, without notice. The Customer must not REGARDING PRODUCTS, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Arduino reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them. The product information on the Web Site or Materials is subject to change without notice. Do not finalize a design with this information.

Transcript of Arduino uno-schematic reference design

Page 1: Arduino uno-schematic reference design

ATMEGA8

ICSP

+5V

GND+5V

+5V

GND

GND

GND

+5V

GND

100n

GND

47u 47u

GND GND

GND

GND

GREEN

GN

D

+5V

YELLOW

YELLOW

M7

GNDMC33269D-5.0

MC33269ST-5.0T3

100n

GND

500mA

+5V

+5V

100n

GND

YE

LLO

W

GND

FDN

304V

+5VLM358D LM358D

GNDGND

+5V

100n

+5V

ATMEGA8U2-MU

GND

100n

ICSP

+5V

GND

GND

16MHz

16MHz

GN

D

PG

B10

1060

4

PG

B10

1060

4

BLM

21

1M

1K 1K

1K

1K

GND

10K

10K

10K

10K

100n

1u

1K

1K

1K

1K

22R

22R

22R

22R

1u

1M

16M

Hz

16M

Hz

TS42

22p

22p

22p

22p

GN

D

GN

D

GND

27R

(ADC5)PC5 28

(ADC4)PC4 27

(ADC3)PC3 26

(ADC2)PC2 25

(ADC1)PC1 24

(ADC0)PC0) 23

(SCK)PB5 19

(MISO)PB4 18

(MOSI)PB3 17

(SS)PB2 16

(OC1)PB1 15

(ICP)PB0 14

(AIN1)PD7 13

(AIN0)PD6 12

(T1)PD5 11

(T0)PD4 6

(INT1)PD3 5

(INT0)PD2 4

(TXD)PD1 3

(RXD)PD0 2

GND8VCC7

AVCC20AREF21

XTAL19

XTAL210

RESET1

AGND22

ZIC1

1 23 45 6

ICSP

12345678

IOL

12345678

IOH

123456

AD

C2PC1 PC2

ON

RX

TX

D1

11

22

3 3

1234P

$1P

$1P

$2P

$2

X2

VI3

1

VO 2

IC2

ADJ

1

IN3 OUT 42

IC1

123456

POWER

C4

F1

C7

L

T1

2

31

U1A

6

57

U1B

84

C1

(PCINT9/OC1B)PC5 25

(PCINT10)PC4 26

(INT4/ICP1/CLK0)PC7 22

(OC1A/PCINT8)PC6 23

(AIN2/PCINT11)PC2 5

(PCINT5)PB5 19

(T1/PCINT4)PB4 18

(PD0/MISO/PCINT3)PB3 17

(PDI/MOSI/PCINT2)PB2 16

(SCLK/PCINT1)PB1 15

(SS/PCINT0)PB0 14

(CTS/HWB/AIN6/TO/INT7)PD7 13

(RTS/AIN5/INT6)PD6 12

(XCK/AIN4/PCINT12)PD5 11

(INT5/AIN3)PD4 10

(TXD1/INT3)PD3 9

(RXD1/AIN1/INT2)PD2 8

(AIN0/INT1)PD1 7

(OC0B/INT0)PD0 6

GND3VCC4

AVCC32

UVCC31

XTAL11

XTAL2(PC0)2

RESET(PC1/DW)24

UGND28

U3

PADEXP

UCAP27

D-30

D+29

(PCINT6)PB6 20(PCINT7/OC0A/OC1C)PB7 21 C

5

1 23 45 6

ICSP1

Y2Y1

21UBOOT

Z1 Z2

2 1

GROUND

L1

21RESET-EN

R2

18

RN

2A

27

RN

2B

36 RN2C

45 RN2D

18

RN

1A2

7

RN

1B

36

RN

1C

45

RN

1D

C6

C8

18 RN4A

27 RN4B

3 6

RN4C

4 5

RN4D

18 RN3A

2 7

RN3B

3 6

RN3C

45 RN3D

C3

R1

21Q1

21Q2

13 4

2

RE

SE

T

5

C10

C12

C9

C11

IN1

EN3

NC/FB 4

OUT 5

GND2

R3

+5V

+5V

GND

AREF

AREF

RESET

RESET

VIN

VIN

VIN

M8RXD

M8RXD

M8TXD

M8TXD

SCK

PWRIN

D-D+

+3V3

+3V3

+3V3

MISOMOSISS

SS

DTR

GATE_CMD

CMP

USBVCC

USBVCC

USBVCC

XTAL2

XTAL2

XTAL1

XTAL1

VUCAP

RD-

RD-

RD+

RD+

RESET2

MISO2MOSI2SCK2

USHIELD

UG

ND

UGND

XUSB

XT2

XT2

XT1

XT1

RXLEDTXLED

AD0AD1AD2AD3AD4AD5

IO2IO1IO0

IO3IO4IO5IO6IO7

IO8IO9XT1R

+ +

US

B

01234567

8910111213

Arduino UNO Reference Design

USB boot En

TM

Reference Designs ARE PROVIDED "AS IS" AND "WITH ALL FAULTS". Arduino DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,

Arduino may make changes to specifications and product descriptions at any time, without notice. The Customer must not

REGARDING PRODUCTS, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE

rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Arduino reservesthese for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.The product information on the Web Site or Materials is subject to change without notice. Do not finalize a design with this information.